SpeechRecognizer 什么都不做......我错过了什么

SpeechRecognizer does nothing...what am I missing

请看下面的代码。 onBeginningOfSpeech() 被调用(甚至在我开始说话之前,顺便说一句),但随后 - 没有。我错过了什么?

我承认代码大部分是由不同的例子组成的,我没有完全理解。但我希望它至少能做点什么,这样我就可以继续试验。感谢任何帮助。

public class SpeechRecogActivity extends Activity {
private SpeechRecognizer recog;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.e("TTS_SpeechRecog", "Starting...");
        recog = SpeechRecognizer.createSpeechRecognizer(this);
        recog.setRecognitionListener(new RecogListener());
        Intent intent = RecognizerIntent.getVoiceDetailsIntent(getApplicationContext());
        intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, "cmn-Hans-CN");
        intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_PREFERENCE, "cmn-Hans-CN");
        intent.putExtra(RecognizerIntent.EXTRA_ONLY_RETURN_LANGUAGE_PREFERENCE, "cmn-Hans-CN");
        intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
        intent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE, "com.dummy");
        intent.putExtra(RecognizerIntent.EXTRA_PARTIAL_RESULTS, true);
        recog.startListening(intent);
    }

    private static class RecogListener implements RecognitionListener {
        @Override
        public void onBeginningOfSpeech() {
            Log.e("TTS_SpeechRecog", "onBeginningOfSpeech...");
        }

        @Override
        public void onRmsChanged(float rmsdB) {
            Log.e("TTS_SpeechRecog", "onRmsChanged...");
        }

        @Override
        public void onEndOfSpeech() {
            Log.e("TTS_SpeechRecog", "onEndOfSpeech...");
        }

        @Override
        public void onReadyForSpeech(Bundle params) {
            Log.e("TTS_SpeechRecog", "onReadyForSpeech...");
        }

        @Override
        public void onResults(Bundle data) {
            Log.e("TTS_SpeechRecog", "onResults...");
            ArrayList strlist = data.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
            for (int i = 0; i < strlist.size();i++ ) {
                Log.d("Speech", "result=" + strlist.get(i));
            }
        }

        @Override
        public void onPartialResults(Bundle partialResults) {
            Log.e("TTS_SpeechRecog", "onPartialResults...");
        }

        @Override
        public void onEvent(int eventType, Bundle params) {
            Log.e("TTS_SpeechRecog", "onEvent...");
        }

        @Override
        public void onBufferReceived(byte[] buffer) {
            Log.e("TTS_SpeechRecog", "onBufferReceived...");
        }

        @Override
        public void onError(int error) {
            Log.e("TTS_SpeechRecog", "onBeginningOfSpeech...");
        }
    }
}

您必须在单击任何按钮或小部件后启动 SpeechRecognizer。

我建议您使用下面的 github 存储库。

https://github.com/gotev/android-speech

还要确保您已在清单中添加权限,例如:

  <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.RECORD_AUDIO" />

可能是你忘记添加权限了。

android.permission.RECORD_AUDIO

在 API 23 之前你可以添加:

<code><uses-permission android:name="android.permission.RECORD_AUDIO" />

在API 23之后使用运行时权限。